{"id":3126,"date":"2018-12-04T06:06:43","date_gmt":"2018-12-04T06:06:43","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3126"},"modified":"2020-05-06T07:46:30","modified_gmt":"2020-05-06T07:46:30","slug":"whats-the-standard-tolerance-of-mold-in-cnc-programming-process","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/cai-gi-tieu-chuan-dung-sai-cua-khuon-trong-qua-trinh-lap-trinh-cnc\/","title":{"rendered":"Dung sai ti\u00eau chu\u1ea9n c\u1ee7a khu\u00f4n trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh CNC l\u00e0 g\u00ec?"},"content":{"rendered":"
\n

Dung sai ti\u00eau chu\u1ea9n c\u1ee7a khu\u00f4n trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh CNC l\u00e0 g\u00ec?<\/h4>\n

B\u1ed9 ph\u1eadn l\u1eadp tr\u00ecnh CNC c\u1ee7a nh\u00e0 m\u00e1y khu\u00f4n m\u1eabu ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n x\u1eed l\u00fd r\u00f5 r\u00e0ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c chu\u1ea9n h\u00f3a trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c v\u00e0 gi\u1ea3m thi\u1ec3u sai s\u00f3t.
\n1. khu\u00f4n c\u0169<\/strong>
\na.Hot v\u1ecb tr\u00ed<\/strong>
\n1 K\u00edch th\u01b0\u1edbc y\u00eau c\u1ea7u \u0111\u1ec3 l\u1eafp r\u00e1p ph\u1ea3i d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng.
\n2 M\u1eb7t ph\u1eb3ng: Ch\u01b0\u01a1ng tr\u00ecnh gia c\u00f4ng d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng k\u00edch th\u01b0\u1edbc v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y CNC \u0111o s\u1ed1 l\u01b0\u1ee3ng theo dung sai c\u1ee7a k\u00edch th\u01b0\u1edbc b\u1ea3n v\u1ebd.
\n3 M\u1eb7t b\u00ean: Ch\u01b0\u01a1ng tr\u00ecnh gia c\u00f4ng \u0111ang m\u1edf \u0111\u1ec3 b\u00f9 tr\u1eeb. M\u1eb7t b\u00ean tr\u00e1i d\u01b0 0,02mm. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o kim cho v\u1eeba kh\u00edt. Dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o trong kho\u1ea3ng 0,015 ~ 0,005mm. C\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc c\u1ee7a h\u00ecnh \u1ea3nh 3D.<\/p>\n

\"\"<\/p>\n

b. Ch\u00e8n kh\u00f3a<\/strong>
\nM\u1eb7t c\u1ee7a kh\u00f3a c\u1ee7a mi\u1ebfng ch\u00e8n ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo quy tr\u00ecnh, v\u00e0 k\u00edch th\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo k\u00edch th\u01b0\u1edbc, v\u00e0 \u0111\u1ed9 s\u00e2u (gi\u00e1 tr\u1ecb Z) c\u1ee7a kh\u00f3a c\u1ee7a mi\u1ebfng ch\u00e8n s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo s\u1ed1 k\u00edch th\u01b0\u1edbc, v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i s\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111o \u0111\u1ed9 s\u00e2u, v\u00e0 y\u00eau c\u1ea7u v\u1ec1 dung sai ph\u1ea3i l\u00e0 0,01 mm.<\/p>\n

c. k\u00edch th\u01b0\u1edbc m\u00e0u xanh<\/strong>
\nQuy tr\u00ecnh ho\u00e0n thi\u1ec7n cho t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed keo y\u00eau c\u1ea7u 0,02 mm tr\u00ean m\u1ed9t m\u1eb7t (tr\u1eeb tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t) v\u00e0 0,15 mm tr\u00ean m\u1ed9t m\u1eb7t v\u1edbi y\u00eau c\u1ea7u v\u1ec1 m\u1eabu l\u1eeda \u0111\u1ec3 gia c\u00f4ng d\u00e2y chuy\u1ec1n EDM.<\/p>\n

d. Ch\u00e8n v\u00e0 ch\u1ea1m v\u00e0o bit<\/strong>
\nTrong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, l\u00f5i khu\u00f4n tr\u01b0\u1edbc c\u00f3 k\u00edch th\u01b0\u1edbc th\u00edch h\u1ee3p, v\u00e0 l\u00f5i khu\u00f4n sau gi\u1eef l\u1ea1i l\u01b0\u1ee3ng c\u00f2n l\u1ea1i.
\n\"\"<\/p>\n

e. V\u1ecb tr\u00ed kh\u00f3a b\u00ean<\/strong>
\nChi\u1ec1u s\u00e2u \u0111\u00e1y (gi\u00e1 tr\u1ecb Z) c\u1ee7a v\u1ecb tr\u00ed kh\u00f3a b\u00ean \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00e0nh k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh gia c\u00f4ng c\u1ea1nh b\u00ean c\u1ee7a v\u1ecb tr\u00ed kh\u00f3a b\u00ean c\u1ea7n \u0111\u01b0\u1ee3c b\u00f9 cho m\u1ed9t b\u00ean \u0111\u1ec3 c\u00f3 \u0111\u1ed9 v\u1eeba kh\u00edt th\u1eed nghi\u1ec7m 0,02 mm. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c kh\u1edbp ch\u1eb7t ch\u1ebd theo k\u00edch th\u01b0\u1edbc h\u00ecnh v\u1ebd, v\u00e0 dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o \u0111\u01a1n ph\u01b0\u01a1ng t\u1eeb 0,015 \u0111\u1ebfn 0,005 mm. N\u1ed9i b\u1ed9.<\/p>\n

\"\"<\/p>\n

\u00a02. khu\u00f4n \u0111\u0103ng<\/strong><\/p>\n

a.Row slot<\/strong>
\nChi\u1ec1u s\u00e2u (gi\u00e1 tr\u1ecb Z) c\u1ee7a r\u00e3nh v\u1ecb tr\u00ed h\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo s\u1ed1 l\u01b0\u1ee3ng b\u1ea3n v\u1ebd. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i d\u00f9ng b\u00e0n \u0111\u1ec3 \u0111o theo dung sai c\u1ee7a b\u1ea3n v\u1ebd, gia c\u00f4ng hai b\u00ean r\u00e3nh h\u00e0ng theo k\u00edch th\u01b0\u1edbc b\u1ea3n v\u1ebd. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c b\u00f9 cho m\u1ed9t m\u1eb7t v\u00e0 0,02 mm. Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ed3ng h\u1ed3 \u0111o kh\u1ed1i, v\u00e0 dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o trong kho\u1ea3ng 0,015 ~ 0,005mm tr\u00ean m\u1ed9t m\u1eb7t.<\/p>\n

b.\u0110\u00e8n kh\u00f3a<\/strong>
\nM\u1eb7t c\u1ee7a kh\u00f3a c\u1ee7a mi\u1ebfng ch\u00e8n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi s\u1ed1 l\u01b0\u1ee3ng b\u1ea3n v\u1ebd v\u00e0 chi\u1ec1u s\u00e2u (gi\u00e1 tr\u1ecb Z) c\u1ee7a \u0111\u00e1y ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi s\u1ed1 l\u01b0\u1ee3ng k\u00edch th\u01b0\u1edbc. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111o dung sai \u1edf \u0111\u1ed9 s\u00e2u 0,01 mm.<\/p>\n

c. V\u1ecb tr\u00ed l\u1ed7 th\u1ee7ng (\u1ea9n bit CORE)<\/strong>
\nNg\u01b0\u1eddi l\u1eadp tr\u00ecnh th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh dao nh\u1eb9 v\u00e0 c\u1ea7n m\u1edf m\u1eb7t b\u00f9 ra \u0111\u1ec3 ch\u1eeba l\u1ea1i l\u1ec1 0,02mm. Ng\u01b0\u1eddi \u0111i\u1ec1u h\u00e0nh b\u00f9 m\u1edf \u0111o theo s\u1ed1 l\u01b0\u1ee3ng b\u1ea3n v\u1ebd. M\u1eb7t \u0111\u01a1n l\u00e0 0,005 ~ 0,01mm, thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1eafp r\u00e1p.<\/p>\n

d. K\u00edch th\u01b0\u1edbc keo<\/strong>
\nT\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed keo cho ph\u00e9p ho\u00e0n thi\u1ec7n l\u00e0 0,02mm (ngo\u1ea1i tr\u1eeb c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t).
\n\"\"<\/p>\n

e. Ch\u00e8n v\u00e0 ch\u1ea1m v\u00e0o bit<\/strong>
\nTrong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, khu\u00f4n sau c\u1ea7n \u0111\u1ec3 l\u1ea1i l\u1ec1 nhi\u1ec1u h\u01a1n + 0,02 ~ 0mm. V\u1ecb tr\u00ed c\u1ee7a khu\u00f4n sau v\u1edbi v\u1ecb tr\u00ed h\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo k\u00edch th\u01b0\u1edbc c\u1ee7a h\u00e0ng, v\u00e0 v\u1ecb tr\u00ed c\u1ee7a l\u00f5i khu\u00f4n sau khi kh\u1edbp v\u1edbi v\u1ecb tr\u00ed h\u00e0ng c\u1ea7n th\u00eam l\u1ec1.<\/p>\n

3. khu\u00f4n l\u1ed3i CORE<\/strong><\/p>\n

a.Khi gia c\u00f4ng th\u00f4, \u0111\u1ec3 l\u1ec1 0,5mm \u1edf m\u1ed9t b\u00ean, v\u00e0 khi \u0111\u01b0a b\u1ed9 ch\u00e8n khung xu\u1ed1ng ph\u00eda d\u01b0\u1edbi \u0111\u1ec3 s\u1eed d\u1ee5ng C\u1ed0T L\u00d5I gia c\u00f4ng th\u00f4, h\u00e3y \u0111\u1ec3 10mm \u1edf v\u1ecb tr\u00ed th\u1eb3ng d\u01b0\u1edbi c\u00f9ng \u0111\u1ec3 ng\u01b0\u1eddi v\u1eadn h\u00e0nh ki\u1ec3m tra xem ph\u1ea7n gia c\u00f4ng th\u00f4 c\u00f3 b\u1ecb l\u1ecfng v\u00e0 c\u1ea7n d\u1eadp ngu\u1ed9i kh\u00f4ng . \u0110\u00e1y CORE l\u1ed3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1ec3 th\u1eb3ng 10mm \u0111\u1ec3 ho\u00e0n thi\u1ec7n sau khi d\u1eadp t\u1eaft.
\n\"\"<\/p>\n

b.T\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed keo l\u00e0 0,02mm trong qu\u00e1 tr\u00ecnh ho\u00e0n thi\u1ec7n (ngo\u1ea1i tr\u1eeb c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t) v\u00e0 v\u1ecb tr\u00ed c\u1ea7n ch\u00e8n v\u00e0 xuy\u00ean qua l\u00e0 + 0,02 ~ 0mm.<\/p>\n

c. Ho\u00e0n thi\u1ec7n h\u00ecnh d\u1ea1ng l\u1ed3i l\u00f5m, khi ng\u01b0\u1eddi l\u1eadp tr\u00ecnh th\u1ef1c hi\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh dao nh\u1eb9, ph\u1ea7n b\u00f9 l\u00e0 bi\u00ean \u0111\u1ed9 0,02mm tr\u00ean m\u1ed9t m\u1eb7t v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111o dung sai c\u1ee7a m\u1ed9t m\u1eb7t t\u1eeb 0 ~ \u20130,005mm theo s\u1ed1 l\u01b0\u1ee3ng b\u1ea3n v\u1ebd.<\/p>\n

d. V\u1ea5n \u0111\u1ec1 v\u1ec1 h\u00ecnh d\u1ea1ng b\u1ea5t th\u01b0\u1eddng c\u1ee7a ch\u00e8n khu\u00f4n (CORE l\u1ed3i) \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y chi ti\u1ebft trong ph\u1ea7n sau.\"\"<\/p>\n

4. v\u1ecb tr\u00ed h\u00e0ng, ch\u00e8n<\/strong><\/p>\n

a.Khi nh\u1eadn ph\u00f4i, ng\u01b0\u1eddi l\u1eadp tr\u00ecnh n\u00ean \u0111o k\u00edch th\u01b0\u1edbc b\u00ean ngo\u00e0i c\u1ee7a ph\u00f4i \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 khi s\u1ed1 l\u1ea7n \u0111\u00e1nh \u1edf gi\u1eefa v\u00e0 m\u1ed9t b\u00ean. Ng\u01b0\u1eddi l\u1eadp tr\u00ecnh c\u1ea7n th\u1ea3o lu\u1eadn v\u1edbi nh\u00f3m thao t\u00e1c theo h\u00ecnh d\u1ea1ng c\u1ee7a ph\u00f4i, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1eb9p ch\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh s\u1ed1. Xem ph\u1ea7n sau \u0111\u1ec3 bi\u1ebft chi ti\u1ebft.<\/p>\n

b. V\u1ecb tr\u00ed h\u00e0ng v\u00e0 l\u00f5i khu\u00f4n ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau c\u00f3 v\u1ecb tr\u00ed kh\u1edbp v\u1edbi nhau v\u00e0 v\u1ecb tr\u00ed h\u00e0ng c\u1ea7n \u0111\u1ec3 l\u1ea1i l\u1ec1 0,02 mm cho FIT.<\/p>\n

c. T\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed keo \u0111\u1ec1u l\u00e0 0,02mm tr\u00ean m\u1ed9t m\u1eb7t (tr\u1eeb c\u00e1c y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t).
\n\"\"<\/p>\n

5. \u0111\u1ea7u xi\u00ean<\/strong><\/p>\n

Theo h\u00ecnh d\u1ea1ng c\u1ee7a ph\u00f4i v\u00e0 nh\u00f3m thao t\u00e1c, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1eb9p ch\u1eb7t, s\u1ed1 l\u1ea7n ch\u1ea1m, t\u1ea5t c\u1ea3 c\u00e1c v\u1ecb tr\u00ed keo tr\u00ean m\u1ed9t m\u1eb7t l\u00e0 0,02mm (tr\u1eeb tr\u01b0\u1eddng h\u1ee3p y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t). Vui l\u00f2ng th\u00eam s\u1ed1 c\u00f4ng khai WeChat: tr\u00ed tu\u1ec7 c\u00f4ng nghi\u1ec7p (th\u00f4ng tin ng\u01b0\u1eddi m\u00e1y) M\u00e3 V\u00e2n \u0111ang ch\u00fa \u00fd
\n\"\"<\/p>\n

6. x\u1eed l\u00fd khu\u00f4n<\/strong><\/p>\n

m\u1ed9t c\u00e1i khu\u00f4n<\/strong>
\n(1) T\u1eeb c\u01a1 s\u1edf (v\u00e1t m\u00e9p) tr\u00ean b\u1ea3n v\u1ebd tr\u1ed1ng khu\u00f4n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi tham chi\u1ebfu tr\u00ean tr\u1ed1ng khu\u00f4n. \u0110\u1ec3 tr\u00e1nh hi\u1ec3u l\u1ea7m, s\u1ef1 h\u1ed7n lo\u1ea1n gia c\u00f4ng x\u1ea3y ra v\u00e0 c\u1ea1nh tham chi\u1ebfu h\u01b0\u1edbng v\u1ec1 h\u01b0\u1edbng c\u1ee7a ch\u00ednh n\u00f3 trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh.
\n(2) V\u1ecb tr\u00ed gia c\u00f4ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u1eabu thi\u1ebft l\u1eadp t\u1ecda \u0111\u1ed9 gia c\u00f4ng b\u1eb1ng c\u00e1ch t\u1ea1o l\u1ed7 d\u1eabn h\u01b0\u1edbng \u1edf g\u00f3c tham chi\u1ebfu g\u1ea7n b\u1eb1ng kh\u00f4ng.
\n(3) \u0110\u1ecbnh ngh\u0129a s\u1ed1 l\u1ea7n truy c\u1eadp Z: T\u1ea5t c\u1ea3 c\u00e1c m\u1eabu \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo h\u01b0\u1edbng thu\u1eadn v\u00e0 ng\u01b0\u1ee3c. S\u1ed1 l\u1ea7n ch\u1ea1m \u0111\u00e1y khu\u00f4n b\u1eb1ng kh\u00f4ng. \u0110\u1ed1i v\u1edbi nh\u1eefng ph\u00f4i c\u00f3 y\u00eau c\u1ea7u \u0111\u1eb7c bi\u1ec7t, ng\u01b0\u1eddi l\u1eadp tr\u00ecnh c\u1ea7n gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng v\u1edbi nh\u00e2n s\u1ef1 li\u00ean quan v\u00e0 ghi r\u00f5 tr\u00ean danh s\u00e1ch ch\u01b0\u01a1ng tr\u00ecnh. V\u1ecb tr\u00ed kh\u00f4ng c\u1ee7a ph\u00f4i khu\u00f4n.<\/p>\n

b\u1ea3ng bA<\/strong>
\n(1) Khi ho\u00e0n th\u00e0nh khung khu\u00f4n, khi gia c\u00f4ng \u0111\u00e1y khu\u00f4n, ph\u1ea3i l\u00e0m k\u00edch th\u01b0\u1edbc theo kh\u1ed5 gi\u1ea5y. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh CNC s\u1eed d\u1ee5ng hi\u1ec7u ch\u1ec9nh b\u1ea3n v\u1ebd theo dung sai c\u1ee7a b\u1ea3n v\u1ebd. Dung sai l\u00e0 + 0,01 ~ + 0,02mm. Qu\u00e1 tr\u00ecnh ho\u00e0n thi\u1ec7n c\u1ee7a c\u1ea1nh khung y\u00eau c\u1ea7u l\u1ec1 0,02mm cho m\u1ed9t m\u1eb7t c\u1ee7a ph\u1ea7n b\u00f9. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u1eafp th\u01b0\u1edbc \u0111o kh\u1ed1i theo k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n v\u1ebd. Dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o 0,02 ~ 0,01mm tr\u00ean m\u1ed9t m\u1eb7t.
\n(2) V\u1ecb tr\u00ed kh\u00f3a b\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo k\u00edch th\u01b0\u1edbc \u0111\u00e1y c\u1ee7a h\u00ecnh v\u1ebd. \u0110\u1ed3ng h\u1ed3 \u0111o kh\u1ed1i b\u00ean \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd v\u00e0 dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o trong ph\u1ea1m vi \u0111\u01a1n ph\u01b0\u01a1ng + 0,015 ~ -0,01mm.
\n(3) Ph\u1ea7n \u0111\u00e1y c\u1ee7a r\u00e3nh ch\u00e8n ph\u1ea3i l\u00e0 s\u1ed1 l\u01b0\u1ee3ng chu\u1ea9n k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea1nh \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1eb7t ch\u1ebd b\u1eb1ng th\u01b0\u1edbc \u0111o kh\u1ed1i. Dung sai \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o trong kho\u1ea3ng \u0111\u01a1n ph\u01b0\u01a1ng + 0,015 ~ + 0,01mm.
\n(4) K\u00edch th\u01b0\u1edbc m\u00e1ng x\u1ed1i g\u00e0 v\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c \u0111\u01b0\u1ee3c gia c\u00f4ng theo ph\u01b0\u01a1ng \u00e1n.
\n\"\"<\/p>\n

b\u1ea3ng cB<\/strong><\/p>\n

(1) Formwork finishing, the number of the standard size of the program processing frame is used, the CNC operator uses the table to measure according to the tolerance of the drawing, the tolerance is +0.01 0mm, the frame edge finishing, the program needs to open the compensation side 0.02mm The margin, the operator needs to use the block gauge according to the size of the figure, the tolerance guarantee – within 0.02~0.01mm on one side.
\n(2) Chi\u1ec1u s\u00e2u c\u1ee7a (gi\u00e1 tr\u1ecb Z) \u1edf \u0111\u00e1y r\u00e3nh c\u1ee7a khung khu\u00f4n c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo k\u00edch th\u01b0\u1edbc b\u1ea3n v\u1ebd. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 hi\u1ec7u ch\u1ec9nh theo dung sai c\u1ee7a b\u1ea3n v\u1ebd. Dung sai l\u00e0 + 0,01 ~ + 0,02mm v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh b\u00ean c\u1ea7n m\u1edf t\u1ea5m b\u00f9. V\u1edbi \u0111\u1ed9 ph\u00f9 h\u1ee3p th\u1eed nghi\u1ec7m 0,02mm, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n s\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o kh\u1ed1i \u0111\u1ec3 kh\u1edbp ch\u1eb7t v\u1edbi dung sai \u0111\u01a1n ph\u01b0\u01a1ng + 0,015 ~ + 0,01mm.<\/p>\n

\"\"<\/p>\n

d B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Thimble:<\/strong>
\n(1) Khi v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u b\u1ed9 \u0111\u1ebfm \u0111\u1ea7u phun \u0111ang x\u1eed l\u00fd s\u00e2u, \u0111\u1ed9 s\u00e2u c\u1ea7n ph\u1ea3i s\u00e2u 0,02mm v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng th\u1ebb ngh\u00ecn \u0111i\u1ec3m \u0111\u1ec3 \u0111o dung sai, dung sai l\u00e0 0,02 ~ 0,01mm v\u00e0 c\u1ea1nh c\u1ee7a v\u1ecb tr\u00ed \u0111\u1ea7u c\u1ee7a b\u1ed9 \u0111\u1ebfm thimble c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo k\u00edch th\u01b0\u1edbc.
\n(2) K\u00edch th\u01b0\u1edbc x\u1eed l\u00fd c\u1ee7a v\u1ecb tr\u00ed l\u1eafp r\u00e1p \u0111\u1ebf nghi\u00eang tr\u00ean c\u00f9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1eb7t d\u01b0\u1edbi c\u1ee7a t\u1ea5m \u0111\u1ea9y trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng b\u1ea3ng so s\u00e1nh \u0111\u1ec3 \u0111o s\u1ed1 l\u01b0\u1ee3ng trong khi k\u00edch th\u01b0\u1edbc x\u1eed l\u00fd b\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t.
\n(3) C\u00e1c v\u1ecb tr\u00ed kh\u00e1c \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n \u0111\u1ed3 3D.<\/p>\n

e. t\u1ea5m \u0111\u00e1y thimble:<\/strong>
\n(1) V\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc c\u1ea7n thi\u1ebft cho vi\u1ec7c l\u1eafp r\u00e1p kh\u1ed1i ch\u00e8n, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n l\u1eafp ch\u1eb7t v\u1edbi th\u01b0\u1edbc \u0111o kh\u1ed1i, c\u00e1c v\u1ecb tr\u00ed kh\u00e1c \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n v\u1ebd 3D.
\n(2) V\u00e1n C: Theo k\u00edch th\u01b0\u1edbc b\u1ea3n v\u1ebd 3D, k\u00edch th\u01b0\u1edbc chu\u1ea9n tinh \u0111\u01b0\u1ee3c gia c\u00f4ng, v\u00e0 b\u1ec1 m\u1eb7t l\u00e0m vi\u1ec7c v\u00e0 h\u01b0\u1edbng gia c\u00f4ng \u0111\u01b0\u1ee3c nh\u00f3m m\u00e1y doa ch\u1ecdn theo chi\u1ec1u d\u01b0\u01a1ng c\u1ee7a m\u00e3 A.
\n(3) Bi\u1ec3n t\u00ean: \u0110\u01b0\u1ee3c ch\u1ea1m kh\u1eafc theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea3n v\u1ebd 3D.
\n(4) T\u1ea5m c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u00ean: K\u00edch th\u01b0\u1edbc c\u1ee7a v\u1ecb tr\u00ed l\u1eafp \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho vi\u1ec7c l\u1eafp r\u00e1p. K\u00edch th\u01b0\u1edbc c\u1ee7a t\u1ea5m c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf ph\u00eda d\u01b0\u1edbi c\u1ee7a t\u1ea5m c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u00ean. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 \u0111o s\u1ed1, c\u00f2n x\u1eed l\u00fd b\u00ean c\u1ea7n m\u1edf b\u00f9. 0,02mm, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n s\u1eed d\u1ee5ng kim \u0111o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1eb7t \u0111\u01a1n l\u00e0 + 0,015 ~ + 0,01mm, v\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo b\u1ea3n v\u1ebd 3D.
\n(5) T\u1ea5m c\u1ed1 \u0111\u1ecbnh d\u01b0\u1edbi: C\u00f3 k\u00edch th\u01b0\u1edbc c\u1ea7n thi\u1ebft cho vi\u1ec7c l\u1eafp r\u00e1p mi\u1ebfng ch\u00e8n. \u0110\u00e1y c\u1ee7a t\u1ea5m c\u1ed1 \u0111\u1ecbnh d\u01b0\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo k\u00edch th\u01b0\u1edbc chu\u1ea9n. M\u1eb7t b\u00ean y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u00f3ng ch\u1eb7t b\u1eb1ng th\u01b0\u1edbc kh\u1ed1i, c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c \u0111\u01b0\u1ee3c gia c\u00f4ng theo b\u1ea3n v\u1ebd 3D.
\n\"\"<\/p>\n

f. l\u1eadp tr\u00ecnh:<\/strong><\/p>\n

(1) \u0110\u1ecbnh ngh\u0129a t\u1ecda \u0111\u1ed9 gia c\u00f4ng th\u00e9p: tham chi\u1ebfu h\u00ecnh ch\u1eef nh\u1eadt h\u01b0\u1edbng v\u1ec1 ng\u01b0\u1eddi, v\u00e0 tham chi\u1ebfu h\u00ecnh vu\u00f4ng h\u01b0\u1edbng v\u1ec1 g\u00f3c d\u01b0\u1edbi b\u00ean ph\u1ea3i. Trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u th\u00e9p \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh v\u1edbi c\u00e1c \u0111i\u1ec3m X v\u00e0 Y l\u00e0 0, v\u00e0 gi\u00e1 tr\u1ecb Z l\u00e0 0 \u1edf d\u01b0\u1edbi c\u00f9ng \u0111\u1ec3 thi\u1ebft l\u1eadp t\u1ecda \u0111\u1ed9 gia c\u00f4ng. (Xem \u0111\u1ecbnh ngh\u0129a t\u1ecda \u0111\u1ed9 gia c\u00f4ng CNC v\u00e0 b\u1ea3n v\u1ebd ti\u00eau chu\u1ea9n h\u01b0\u1edbng k\u1eb9p 1, 2, 3)
\n(2) Qu\u00e1 tr\u00ecnh gia c\u00f4ng th\u00f4 l\u00e0 0,5mm tr\u00ean m\u1ed9t m\u1eb7t, v\u00e0 ph\u1ea7n tr\u00ean c\u1ee7a khu\u00f4n \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u l\u00e0m ngu\u1ed9i. N\u00f3 r\u1ea5t d\u1ec5 d\u00e0ng \u0111\u1ec3 k\u1eb9p trong qu\u00e1 tr\u00ecnh ho\u00e0n thi\u1ec7n.
\n(3) Ho\u00e0n thi\u1ec7n \u0111\u00e1y khu\u00f4n, tr\u00e1nh m\u1eb7t tr\u01b0\u1edbc c\u1ee7a khu\u00f4n, PL, v\u1ecb tr\u00ed keo, v.v.
\n(4) V\u1ecb tr\u00ed \u1ed1ng khu\u00f4n: L\u1eadp tr\u00ecnh v\u1ecb tr\u00ed \u1ed1ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c l\u00f5i khu\u00f4n tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ec1u nh\u1ecf 0,01mm.
\n(5) X\u1eed l\u00fd PL ph\u1eb3ng: Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c ghi k\u00edch th\u01b0\u1edbc theo k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n v\u1ebd. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ea7n s\u1eed d\u1ee5ng dung sai hi\u1ec7u chu\u1ea9n c\u1ee7a \u0111\u1ed3ng h\u1ed3 hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 n\u1eb1m trong kho\u1ea3ng + 0,01 ~ 0mm.
\n(6) Gia c\u00f4ng PL b\u1ec1 m\u1eb7t h\u1ed3 quang, ng\u01b0\u1eddi l\u1eadp tr\u00ecnh l\u00e0m quy tr\u00ecnh ki\u1ec3m tra, danh s\u00e1ch ch\u01b0\u01a1ng tr\u00ecnh ch\u1ec9 ra m\u1eb7t ph\u1eb3ng \u0111\u00e1y nh\u1eb5n PL, v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh gia c\u00f4ng dao nh\u1eb9 l\u00e0m k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n.<\/p>\n

Khi t\u1ecda \u0111\u1ed9 x\u1eed l\u00fd khu\u00f4n ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, tham chi\u1ebfu h\u00ecnh ch\u1eef nh\u1eadt h\u01b0\u1edbng v\u1ec1 ng\u01b0\u1eddi v\u00e0 tham chi\u1ebfu h\u00ecnh vu\u00f4ng h\u01b0\u1edbng v\u1ec1 g\u00f3c d\u01b0\u1edbi b\u00ean ph\u1ea3i (0 \u1edf c\u1ea1nh X v\u00e0 Y v\u00e0 d\u01b0\u1edbi c\u00f9ng l\u00e0 0 \u1edf Z), nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong H\u00ecnh 1, H\u00ecnh 2 v\u00e0 H\u00ecnh 3:
\n\"\"<\/p>\n

S\u1ed1 l\u1ea7n \u0111\u00e1nh CORE l\u1ed3i \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 4 v\u00e0 H\u00ecnh 5;<\/p>\n

\"\"<\/p>\n

S\u1ed1 l\u01b0\u1ee3ng h\u00e0ng gh\u1ebf nh\u01b0 trong H\u00ecnh 6:<\/p>\n

\"\"<\/p>\n

S\u1ed1 l\u1ea7n va ch\u1ea1m khu\u00f4n \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 7:<\/p>\n

\"\"<\/div>\n

<\/p>","protected":false},"excerpt":{"rendered":"

What’s the standard tolerance of mold in CNC programming process? The CNC programming department of the mold factory develops clear processing techniques and standards and performs standardized operations in the production process to improve work efficiency and reduce errors. 1.the former mold a.Hot position 1 The size required for assembly must be based on the…<\/p>","protected":false},"author":2,"featured_media":19390,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-3126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2018\/12\/1-3.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=3126"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/3126\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19390"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=3126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=3126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=3126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}